Home / 8,129,156.76-12,193,740.61-2,064,343.32

Finding the Fourth Proportional to 8,129,156.76, 12,193,740.61 and 2,064,343.32

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Solution

The fourth proportional to 8,129,156.76, 12,193,740.61 and 2,064,343.32 is: 3,096,516.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,156.76 : 12,193,740.61 = 2,064,343.32 : x
  2. Step 2: Convert to fraction form
    8,129,156.76/12,193,740.61 = 2,064,343.32/x
  3. Step 3: Cross multiply
    8,129,156.76x = 12,193,740.61 × 2,064,343.32
  4. Step 4: Simplify right side
    8,129,156.76x = 25,172,066,968,905.37
  5. Step 5: Solve for x
    x = 25,172,066,968,905.37/8,129,156.76
  6. Step 6: Final answer
    x = 3,096,516.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.